package org.sgy.mall.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	private String encoding = "UTF-8";

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		String encoding = filterConfig.getInitParameter("encoding");
		if (encoding == null && encoding.equals("")) {
			return;
		}
		this.encoding = encoding;
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		request.setCharacterEncoding(encoding);
		response.setCharacterEncoding(encoding);
		System.out.println("do filter");
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {

	}

}
